989018112 has 144 divisors (see below), whose sum is σ = 2805992280. Its totient is φ = 309723136.

The previous prime is 989018099. The next prime is 989018171. The reversal of 989018112 is 211810989.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1775338 + ... + 1775894.

Almost surely, 2^989018112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 989018112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1402996140).

989018112 is an abundant number, since it is smaller than the sum of its proper divisors (1816974168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

989018112 is a wasteful number, since it uses less digits than its factorization.

989018112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616 (or 579 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 39.

The square root of 989018112 is about 31448.6583497611. The cubic root of 989018112 is about 996.3258881008.

The spelling of 989018112 in words is "nine hundred eighty-nine million, eighteen thousand, one hundred twelve".